急性或慢性的低氧都能使肺血管收缩，血流阻力增大。
Both acute or chronic hypoxia can cause vasoconstriction and vasoconstriction increase.
对肺功能变化较敏感的血流动力学指标是心输出量、肺血管阻力、肺小动脉嵌顿压。
The cardiac output, pulmonary vascular resistance and PAWP were more sensitive to changes of pulmonary function.
肺动脉高压(PAH)是多种因素引起的肺血流动力学异常，以肺血管阻力进行性升高为临床特征的一组疾病。
Pulmonary artery hypertension (PAH) is a combination of factors caused abnormal pulmonary hemodynamics. Pulmonary vascular resistance (PVR) progressive as clinical features of PAH.
因为肺血管阻力过大，造成血流过少以致于到达全身器官的氧气减少。
Due to persistent high pressure in the pulmonary vessels, less than normal blood flows to the lungs and thus less oxygen reaches the organs of the body.
因为肺血管阻力过大，造成血流过少以致于到达全身器官的氧气减少。
Due to persistent high pressure in the pulmonary vessels, less than normal blood flows to the lungs and thus less oxygen reaches the organs of the body.
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